1. WATER AND WASTEWATER TREATMENT AND REUSE 2. CIRCULAR ECONOMY AND BIOECONOMY 3. PLASTICS IN THE ENVIRONMENT 4. SOLID WASTE MANAGEMENT 5. ENVIRONMENTAL MANAGEMENT AND POLICIES 6. ARTIFICIAL INTELLIGENCE IN ENVIRONMENTAL APPLICATIONS 7. ENVIRONMENTAL POLLUTION 8. ECOLOGY, ENVIRONMENTAL CHANGE AND MANAGEMENT 9. HYDROLOGY AND WATER RESOURCES 10. ENVIRONMENTAL HEALTH & WELL-BEING 11. ENERGY TECHNOLOGIES 12. CLIMATE CHANGE